Intel® VTune™ Profiler User Guide

User Guide

Contents

Tutorials and Samples

Intel® VTune™
Profiler
 provides web tutorials using sample code for step-by-step instructions on configuring and interpreting performance analysis.

Analyze Common Performance Bottlenecks - C++ Sample Code

Linux* Tutorial
: HTML | PDF
Windows* Tutorial
: HTML | PDF
Sample
: pre-built
matrix
 C++ matrix multiplication application. The pre-built application is available from the
Project Navigator
 when you first launch
Intel VTune
Profiler
. You can access the sample code from:
Learning Objective
:
  • Demonstrates
    : Iterative application optimization with
    VTune
    Profiler
    , finding algorithmic and hardware utilization bottlenecks
  • Performance issues
    : memory access, vectorization
  • Analyses used
    : Performance Snapshot, Hotspots, Memory Access, HPC Performance Characterization, Microarchitecture Exploration

Analyzing an OpenMP* and MPI Application - C++ Sample Code

Linux* Tutorial
: HTML
Sample
:
heart_demo
 C++ application that simulates electrophysiological heart activity. You can access the sample code at https://github.com/CardiacDemo/Cardiac_demo.
Learning Objective
:
  • Demonstrates
    : Identifying issues in a hybrid OpenMP and MPI application.
  • Analysis/tools used
    : Application Performance Snapshot (APS), Intel Trace Analyzer and Collector, and
    VTune
    Profiler
    's HPC Performance Characterization analysis

Performance Analysis Cookbook

For end-to-end tuning and configuration use cases, explore the
VTune
Profiler
 Performance Analysis Cookbook
 that introduces such recipes as:
See more recipes here.
To install and set up the
VTune
Profiler
 sample code:
  1. Copy the archive file from the installation directory to a writable directory or share on your system.
  2. Extract the sample from the archive.
  • Samples are non-deterministic. Your screens may vary from the screen shots shown throughout these tutorials.
  • Samples are designed only to illustrate the
    VTune
    Profiler
     features and do not represent best practices for tuning any particular code. Results may vary depending on the nature of the analysis and the code to which it is applied.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.